Key result
Adenosine stress CMR was safe, with major complications occurring in 0.11% of patients, and resulted in a change in diagnosis or management for 48% of patients.
Why the study?
Adenosine stress CMR is increasingly utilized for evaluating known or suspected CAD, but its safety and clinical impact needed assessment in a tertiary care setting in Thailand.
Is adenosine stress CMR safe and does it impact clinical management in Asian patients with known or suspected CAD?
Observational (n=3,768)
No
Is adenosine stress CMR safe and does it impact clinical management in Asian patients with known or suspected CAD?
Adenosine stress CMR is safe and leads to a change in diagnosis or management in nearly half of Asian patients evaluated for known or suspected CAD.
Supports adenosine stress CMR safety and management impact in Asian CAD patients; extends Western data but should not yet alter guidelines without RCTs.
BACKGROUND: Adenosine stress cardiac magnetic resonance (CMR) imaging is increasingly utilized for evaluating patients with known or suspected coronary artery disease (CAD). This study aims to assess the safety and clinical impact of adenosine stress CMR in a tertiary care setting in Thailand. METHODS: A total of 3,768 consecutive patients aged 18 years and above who underwent adenosine stress CMR between 2017 and 2020 were included in the study. Patient records were reviewed to collect data on clinical characteristics, hemodynamic measurements, complications during or immediately after CMR, and the rates of clinical changes resulting from CMR. RESULTS: Among the included patients, the primary indications for adenosine stress CMR were risk stratification in suspected CAD (70.8%) and the assessment of myocardial ischemia/viability in patients with known CAD (26.5%). There were no reported deaths or acute myocardial infarctions during the procedure. Major complications, specifically acute pulmonary edema requiring hospital observation or admission for further management, occurred in four patients (0.11%), all of whom were elderly (ranging from 75 to 91 years) with a history of heart failure. Non-major complications were observed in 13.7% of patients, with dyspnea (9.8%) and mild chest pain (5.6%) being the most common. CMR provided a completely new diagnosis in 26.2% of patients. Overall, stress CMR resulted in a change in diagnosis or management for 48% of patients. CONCLUSION: Adenosine stress CMR was found to be safe and to have a significant impact on clinical management in Asian patients with known or suspected CAD. These findings support the use of adenosine stress CMR as a valuable tool for evaluating and guiding treatment decisions in this patient population.
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Kaolawanich et al. (2023) conducted an observational in Known or suspected coronary artery disease (n=3,768). Adenosine stress cardiac magnetic resonance (CMR) was evaluated on Safety (complications) and clinical impact (rates of clinical changes resulting from CMR). Adenosine stress CMR was safe, with major complications occurring in 0.11% of patients, and resulted in a change in diagnosis or management for 48% of patients.
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